Jev example · Probability games

The rare-bot detector

A confident flag can still be mostly false alarms.

Model challengeschoice

State

This is the context Jev receives before answering the typed question.

{
  "accounts": 10000,
  "fake_accounts": 100,
  "real_accounts": 9900,
  "flagged_fake_accounts": 90,
  "flagged_real_accounts": 990
}

Typed questions (1)

Your answer

choice

Among flagged accounts, what fraction are fake?

Try in Playground
  • one_twelfth | 1/12, about 8.3%.
  • nine_tenths | 9/10, or 90%.
  • half | 1/2, or 50%.
  • unknown | Cannot determine.

Try changing the scenario

Reduce false flags to 10 and recompute the fraction.

Catalog source: TypeSafeAI/typesafe-playground, reused under MIT. This is an independent community catalog, not an official TypeSafe AI product.

Background source: Background: Berkeley's Monty Hall discussion; original examples and variations.